. >> sarah palin was winking during her 28 debate. with joe biden. not just once, but a dozen times. car her 2008. >> and lloyd bentsen with dan quayle. >> i knew jack kennedy. he was a friend of mine. senator, you are no jack kennedy. >> memorable moments but hardly game changers. presidential debates can impact vice-presidential debate like this one between biden and all of ryan. they could be different. >> you need to be seeing that they are ready. that there will be ready in a national crisis to be able to step into the oval office and to take a rain of the presidency. beyond that, once they are and that they could start seek touching moments it is really changing the debates. >> the strategic is saying that the first rule is to do no harm a. >> in terms of senses to not to break ground this is not an audition. this is only 2012. >> i do not like a damn thing about it. >> joe biden committed to 20 different debate saying that the contact is never easy. >> i have mostly been doing is quite frankly studying up on ryan's positions on his issues. and